Please can someone suggest a suitable coating to protect Si from scratches. A simple resist does not seem to do the job. We have treid s1818. The suggested coating should be resistant to KOH. Thanks Asif Aziz a.aziz@physics.gla.ac.uk Asif Aziz Department of Physics and Astronomy Kelvin Building University of Glasgow University Avenue Glasgow G12 8QQ Tel. no. +44 141 339 8855 extn 0896